A person is standing at the sea shore. An observer on the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. On the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. The person on the shore hears two sounds, two seconds and three seconds after seeing the smoke of the fire gun. If the speed of sound in the air is 320 m/s then calculate :
I) The distance between the observer on the ship and the person on the shore
II) The distance between the cliff and the observer on the ship
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Answer:
1) d1=320*1.5=640 m
2) d2= 320/2=160m
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